8+3b=7b-4

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Solution for 8+3b=7b-4 equation: 



8+3b=7b-4

We move all terms to the left:

8+3b-(7b-4)=0

We get rid of parentheses

3b-7b+4+8=0

We add all the numbers together, and all the variables

-4b+12=0

We move all terms containing b to the left, all other terms to the right

-4b=-12

b=-12/-4

b=+3

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